org-entities: New "vbar" entity

* lisp/org-entities.el (org-entities): Add "vbar".

Suggested-by: Denis Bitouzé <dbitouze-39ZsbGIQGT5GWvitb5QawA@public.gmane.org>
<http://permalink.gmane.org/gmane.emacs.orgmode/101163>

etc/ORG-NEWS

@@ -15,6 +15,10 @@ Please send Org bug reports to emacs-orgmode@gnu.org.
 *** New option ~date-tree-last~ for ~org-agenda-insert-diary-strategy~
 When ~org-agenda-insert-diary-strategy~ is set to ~date-tree-last~, diary
 entries are added to last in the date tree.
+*** New ~vbar~ entity
+~\vbar~ or ~\vbar{}~ will be exported unconditionnally as a =|=,
+unlike to existing ~\vert~, which is expanded as ~|~ when using
+a HTML derived export back-end.
 *** Babel: support for Stan language
 New ob-stan.el library.
 

lisp/org-entities.el

@@ -267,6 +267,7 @@ packages to be loaded, add these packages to `org-latex-packages-alist'."
      "** Misc. (often used)"
      ("circ" "\\^{}" nil "ˆ" "^" "^" "ˆ")
      ("vert" "\\vert{}" t "|" "|" "|" "|")
+     ("vbar" "|" nil "|" "|" "|" "|")
      ("brvbar" "\\textbrokenbar{}" nil "¦" "|" "¦" "¦")
      ("S" "\\S" nil "§" "paragraph" "§" "§")
      ("sect" "\\S" nil "§" "paragraph" "§" "§")